Hi southpaw,

> yet fully supported the autodesk dwg format(or fbx),

Unfortunately Autodesk basically goes out of their way to make dwg format difficult to deal with... In the future I would like to try to support DXF format though which is actually documented (for 2D drawing entities anyway, not for 3D solids).

Usually though Rhino does a good job with DWG and DXF files, so that's kind of odd that it is not working for you. Like Burr mentioned, can you post some kind of simple example DWG file that is not working for you? That would let us try it with a couple of different programs to see if there would be any other good way for you to transfer stuff.

You might try ViaCAD also. It's really inexpensive at $99 and can be a pretty useful tool in the CAD toolbox:
http://www.punchcad.com/p-9-viacad-2d3d-v8.aspx

- Michael